I would recommend a Rusty's Rear Adjustable track bar. Its not needed but will get your rear axle aligned back to where it should be. Without it the rear axle pushes out to the driver's side due to the oem track bar mounts being on the driver's side frame and passenger side of the axle. Other then that if you feel the need you can replace the upper and lower coil isolators front and rear depending on how bad your current ones are. I just got the rear upper and lowers for my buddy from the dealer and if I recall the total cost was around $20 for all four.